 <!-- 左侧导航区域（可配合layui已有的垂直导航） -->
 <ul class="layui-nav layui-nav-tree"  lay-filter="test">
    <li class="layui-nav-item layui-nav-itemed">
        <a style="color:#fff;border-left: none;" class="list-group-item {:$controller_name=='User'?'active':''}" href="{:Url('User/userlist')}">客户列表</a>
    </li>
    <li class="layui-nav-item">
        <a style="color:#fff;border-left: none;" class="list-group-item {:$controller_name=='Help'?'active':''}" href="{:Url('Help/index')}">帮助手册</a>
    </li>
    <li class="layui-nav-item">
        <a style="color:#fff;border-left: none;" class="list-group-item {:$controller_name=='Opinion'?'active':''}" href="{:Url('Opinion/index')}">意见反馈</a>
    </li>
    <li class="layui-nav-item">
        <a style="color:#fff;border-left: none;" class="list-group-item {:$controller_name=='Viplevel'?'active':''}" href="{:Url('Viplevel/index')}">会员等级管理</a>
    </li>
    <li class="layui-nav-item">
        <a style="color:#fff;border-left: none;" class="list-group-item {:$controller_name=='Privilege'?'active':''}" href="{:Url('Privilege/index')}">会员权益</a>
    </li>
    <li class="layui-nav-item">
        <a style="color:#fff;border-left: none;" class="list-group-item {:$controller_name=='Slide'?'active':''}" href="{:Url('Slide/index')}">banner图</a>
    </li>
     <li class="layui-nav-item">
         <a style="color:#fff;border-left: none;" class="list-group-item {:$controller_name=='Same'?'active':''}" href="{:Url('Same/update')}">同一用户管理</a>
     </li>
  </ul>